Guides6 min read

Retatrutide (LY3437943): documentation sheet

By NextCell Peptides Editorial•Published November 6, 2026•Updated November 6, 2026
NextCell Peptides logo with the word Documentation and research code LY3437943. Editorial cover for a retatrutide documentation sheet.
Retatrutide (LY3437943) documentation sheet cover. Not a certificate of analysis and not a purchasing offer.

Identity. Documentation. Research use only.

Check the listed specification

The Retatrutide 5 mg page lists the catalogue unit, molecular weight and purity claim. Compare those fields with the batch document you receive.

Review Retatrutide 5 mg specifications

For research use only. Not for human or animal consumption.

1. Identity

Field

Specification

Name

Retatrutide

Code

LY3437943

Description

Synthetic research peptide characterised in the literature as a GIPR / GLP-1R / GCGR tri-agonist

Appearance (typical)

White to off-white lyophilized powder

Listed unit

5 mg

Molecular weight (product page)

4113.68 g/mol

Product record: Retatrutide 5 mg

2. Batch documentation (COA)

Before accepting a shipment into inventory, match:

  1. Vial label batch ID ↔ COA batch ID.

  2. HPLC purity on the COA. NextCell states ≥99% (HPLC) from the supplier HPLC COA for this SKU — confirm on the batch file you receive.

  3. Storage statement on the COA / product page.

Do not rely on a generic specification sheet in place of a batch COA.

Research peptides, documented by batch.

3. Storage (lyophilized)

Condition

Guidance

Standard refrigerated

2–8°C

Longer-term

−20°C

Additional

Protect from moisture and direct light (as stated on the product page)

For laboratory storage principles after a material has been reconstituted in the lab, see /blog/how-to-store-reconstituted-peptides.

4. EU fulfilment notes

Topic

Statement

Territory

EU fulfilment — see also shipping

Shipping cost

Free tracked EU shipping on every order

Dispatch

Within 0–1 business days

Delivery window

Typically 3–5 business days

Tracking

Tracking reference provided after dispatch

5. Intended use

Material is supplied for laboratory research and analytical work.

For research use only. Not for human or animal consumption.

Related: /blog/research-use-only-label-red-flags

Research Use Only: All peptides discussed in this article are intended for laboratory research purposes only. They are not approved for human consumption, medical use, or therapeutic applications.

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